AirHint found the following cheapest return flights from Christchurch (CHC) to London (LHR) in August 2025 (see full year).

Return flights

06 Aug - 23 Aug	Etihad Airways
21 Aug - 09 Sep	Etihad Airways
15 Aug - 14 Sep	Etihad Airways
01 Aug - 05 Sep	Finnair
16 Aug - 13 Sep	Etihad Airways
20 Aug - 07 Sep	Etihad Airways
15 Aug - 31 Aug	Etihad Airways
19 Aug - 25 Sep	Etihad Airways
12 Aug - 18 Aug	Jetstar
16 Aug - 23 Aug	Etihad Airways
10 Aug - 04 Sep	British Airways
04 Aug - 04 Sep	British Airways
03 Aug - 04 Sep	Air New Zealand
20 Aug - 02 Sep	Etihad Airways
01 Aug - 19 Aug	Air New Zealand
20 Aug - 29 Aug	Emirates
02 Aug - 16 Aug	Emirates

Also check the deals for one-way flights from Christchurch to London in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Christchurch to London in August from 1186€

Return flights